<!-- 组件说明 -->
<template>
  <div class="list">
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>
      <el-row :gutter="10">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button
            type="primary"
            @click="goAddPage"
          >添加商品</el-button>
        </el-col>
      </el-row>

      <!-- 商品表格 -->
      <el-table
        :data="goodslist"
        border
        stripe
      >
        <el-table-column type="index"></el-table-column>
        <el-table-column
          label="商品名称"
          prop="goods_name"
        ></el-table-column>

        <el-table-column
          label="商品价格（元）"
          prop="goods_price"
          width="115px"
        ></el-table-column>

        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>

        <el-table-column
          label="创建时间"
          width="170px"
        >
          <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
        </el-table-column>

        <el-table-column
          label="操作"
          width="200px"
        >
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination
        background
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
// import x from ''
export default {
  components: {

  },
  data () {
    return {
      queryInfo: {
        query: '', // 查询条件
        pagenum: 1, // 当前页面
        pagesize: 10 // 当前页面数据条数
      },
      goodslist: [],
      total: 0
    }
  },
  computed: {

  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品失败！')
      }
      this.$message.success('获取商品成功!')
      this.goodslist = res.data.goods
      this.total = res.data.total
    },

    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },

    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (id) {
      // 弹出删除确定输入框
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除操作！')
      }

      // 执行删除操作
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败！')
      }
      this.$message.success('删除商品成功!')
      this.getGoodsList()
    },
    goAddPage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="scss" scoped>
//@import url()
</style>
